Old School OSRS gold is packed with fierce bosses that challenge players of all levels. Whether you're a solo adventurer or a dedicated PvM (Player vs Monster) enthusiast, bossing is one of the best ways to test your skills, make millions in gold, and obtain powerful gear. In this rsgoldfast guide, we rank the top 10 OSRS bosses and provide essential tips to defeat them efficiently.

1. Zulrah – The Serpentine Nightmare

Combat Level: 725

Recommended Combat: 85+

Type: Solo

Why Zulrah is Popular:

Zulrah is one of the most profitable solo bosses, known for drops like Tanzanite Fang, Serpentine Visage, and Magic Scales.

How to Defeat:

Bring multiple gear switches: Ranged (Blowpipe) and Magic (Trident of the Seas/Swamp).

Memorize Zulrah’s rotation patterns to anticipate attacks.

Use anti-venom, Prayer potions, and Karambwan/Saradomin Brews for healing.

Practice with RuneLite plugins for visual aid.

rsgoldfast Tip:

Start with safe death mechanics (Ring of Recoil, One-click teleport) while learning. Over time, switch to high DPS gear for max profit.

2. Vorkath – The Undead Dragon

Combat Level: 732

Recommended Combat: 90+

Type: Solo

Why Vorkath is Worth Farming:

Incredibly consistent profit (~500k–1.2m GP per kill), with drops like Dragonbone Necklace, Skeletal Visage, and Elite Clues.

How to Defeat:

Unlock via Dragon Slayer II.

Use Ranged gear like Blowpipe, Armadyl Crossbow, or Dragon Hunter Crossbow.

Dodge fireballs, stand on acid pools, and kill the Zombified Spawn with Crumble Undead.

Use Anti-fire + Super Anti-fire potions for full dragonfire protection.

rsgoldfast Tip:

The more you learn Vorkath’s mechanics, the more AFK-friendly and profitable he becomes.

3. The Nightmare of Ashihama

Combat Level: 512

Recommended Combat: 95+

Type: Group (3–80 players)

Why Nightmare is Endgame Content:

Nightmare drops Inquisitor's Armor, Nightmare Staff, and Orbs, used for elite PvM builds.

How to Defeat:

Requires strong coordination in a team.

Bring high Magic Defence gear, Prayer potions, and food like Anglerfish.

Watch for pillars collapsing, Totems, and parasites.

Switch prayers and avoid floor zones during each phase.

rsgoldfast Tip:

Join a Nightmare clan or Discord group for coordinated kills. Avoid solo unless you’re highly experienced.

4. Sarachnis – The Mother of the Temple

Combat Level: 318

Recommended Combat: 85+

Type: Solo or Duo

Why Fight Sarachnis:

Great mid-game boss for Clue Scrolls, Rune/Dragon drops, and red spider eggs (Herblore).

How to Defeat:

Use Melee gear with high Strength bonus (Whip or Scimitar).

Protect from Melee, bring food for webs.

Kill spawned Spires quickly to prevent damage stacking.

Good for consistent kills and low cost setup.

rsgoldfast Tip:

Perfect for Ironmen farming Herblore materials or clue scrolls.

5. Commander Zilyana – Saradomin’s General (GWD)

Combat Level: 596

Recommended Combat: 90+

Type: Group or High-Level Solo

Why Zilyana is Valuable:

Drops Saradomin Godsword, Saradomin's Light, and rare clue scrolls.

How to Defeat:

Use high Ranged gear (Crossbow + Ruby bolts).

Pray Protect from Magic, and be ready to tank melee rushes.

Bring Stamina potions for running, as it’s a very mobile fight.

Use Ecumenical Keys to reduce kill count.

rsgoldfast Tip:

Try the "altar lure" method to trap her against a wall, reducing run-time.

6. General Graardor – Bandos Boss (GWD)

Combat Level: 624

Recommended Combat: 90+

Type: Solo or Group

Why Graardor is Farmed:

Drops the Bandos Chestplate, Tassets, and Bandos Hilt—must-haves for melee PvM.

How to Defeat:

Pray Protect from Melee and use max Strength gear (Dharok’s, Whip, Scythe).

Kill minions after boss for supplies.

Bring Freeze spells or Thralls if soloing.

rsgoldfast Tip:

Go during off-peak times to avoid world competition. Use Dinh's Bulwark for quick KC.

7. Kraken – Slayer Boss

Combat Level: 291

Required Slayer: 87

Type: Solo

Why Kraken is Popular:

Easy to kill and drops Trident of the Seas, Kraken Tentacle, and solid GP per hour.

How to Defeat:

Use Magic gear and cast combat spells.

Activate four whirlpools, then the central pool.

Use auto-cast Trident, bring Prayer potions if using Augury.

rsgoldfast Tip:

Kraken is the ultimate AFK boss for passive Magic XP + steady gold.

8. Cerberus – Hellhound Boss

Combat Level: 318

Required Slayer: 91

Type: Solo

Why Cerberus is Worth It:

Drops Primordial, Pegasian, and Eternal crystals (used on boots).

How to Defeat:

Pray Protect from Melee and switch prayers for ghosts (Magic, Range, Melee).

Use Dragon Hunter Lance, Whip, or Blowpipe depending on your setup.

Bring Saradomin brews or high-healing food.

rsgoldfast Tip:

Unlock Ardougne Cloak 2+ for faster teleport and kills per trip.

9. Kalphite Queen

Combat Level: 333

Recommended Combat: 90+

Type: Solo

Why Fight the KQ:

Drops Dragon Chainbody, Occult Necklace, and KQ Head (for Slayer Helm).

How to Defeat:

Phase 1: Use Melee, Phase 2: Use Magic or Ranged.

Pray Protect from Melee/Ranged.

Bring Karils/Armadyl and Trident.

Use Antipoison and high food.

rsgoldfast Tip:

KQ has no Slayer level requirement—decent challenge for high-level PvMers with a nostalgic feel.

10. Obor – Free-to-Play Boss

Combat Level: 106

F2P Friendly: Yes

Type: Solo

Why Obor is Unique:

The only free-to-play boss! Great for learning PvM and earning Hill Giant Club.

How to Defeat:

Use Full Rune, Rune Scimitar, and Strength potions.

Pray Protect from Melee, run when he stomps.

Bring teleport, food, and maybe a team if new.

rsgoldfast Tip:

Use Obor as an intro to PvM. Good place to practice tick-eating, safespotting, and DPS rotation.

Bonus: Top Gear to Boost Boss Kills

Abyssal Whip – Fast, accurate melee training and boss DPS.

Blowpipe – Elite ranged weapon for bosses like Vorkath, Kraken, and Slayer tasks.

Trident of the Swamp – Magic go-to for Kraken, Zulrah, and others.

Bandos Armor – Max Strength gear for melee bosses.

Dragon Hunter Crossbow – Best weapon for dragon bosses like Vorkath.

Final rsgoldfast Tips for Efficient Bossing

Always unlock the right prayers – Piety, Rigour, and Augury make a huge difference.

Use RuneLite plugins – Boss timers, tick counters, and tile markers are game-changers.

Learn tick-eating and prayer flicking – Especially important for solo PvM.

Join a PvM clan – Team bossing is faster, safer, and more profitable.

Keep your bank organized – Pre-set your gear loadouts for quicker trips.

Conclusion

Bossing in OSRS is one of the most thrilling ways to play, offering amazing loot, personal skill growth, and long-term profit. From learning rotations at Zulrah to earning millions at Vorkath or unlocking pets, the path to PvM mastery is worth the grind. With the right preparation, prayer switches, and gear—you’ll conquer Gielinor’s toughest bosses.

Ready to dominate PvM? Follow these rsgoldfast tips and start earning big while enjoying the best content cheap RS gold has to offer.